code: def test_powerset_contains():
      A = PowerSet(FiniteSet(1), evaluate=False)
      assert A.contains(2) == Contains(2, A)
  
      x = Symbol("x")
  
      A = PowerSet(FiniteSet(x), evaluate=False)
      assert A.contains(FiniteSet(1)) == Contains(FiniteSet(1), A)
  
file_path: sympy/sympy/sets/tests/test_powerset.py
imports: from sympy.core.expr import unchanged
  from sympy.core.singleton import S
  from sympy.core.symbol import Symbol
  from sympy.sets.contains import Contains
  from sympy.sets.fancysets import Interval
  from sympy.sets.powerset import PowerSet
  from sympy.sets.sets import FiniteSet
  from sympy.testing.pytest import raises, XFAIL
label_desc: Use image node_id 8 for calling a global function with example usage: test_powerset_contains() without return types